Resistance Check
- Remove instrument cluster. See INSTRUMENT CLUSTER under REMOVAL & INSTALLATION. Disassemble instrument cluster to access tachometer terminals on back of speedometer assembly.
- Ensure tachometer needle is against zero RPM stop. Using DVOM, measure resistance between tachometer terminals. See Fig 1. Ensure resistance is as specified. See TACHOMETER RESISTANCE table. If resistance is not as specified, replace tachometer.
TACHOMETER RESISTANCE
| Tester Connection | Ohms |
|---|---|
| A & B | 140-185 |
| C & D | 130-175 |